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endocrine gland
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hormones released into the blood
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hormone
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a hormone is a protein that acts as a chemical messenger to target cells secreted from the...
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target cell
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the cells that responsive to a particular hormone
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receptor site
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detects stimulus (pain)
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neurotransmitters
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carry impulses between neurons from axon to dendrite
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myelin sheath
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speeds up movement of nerve impulses casing over neurons
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interneurons
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connects the motor neuron and the sensory neuron
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sensory neurons
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carries impulses to spinal cord, CNS
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motor neuron
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carries impulses away from CNS to muscle
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Node of Ranvier
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speeds up transmissions of nerve impulses as they jump from one to the next
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schwann cell
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forms the myelin sheath
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dendrite
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carries nerve impulses to cell body
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axon
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carries nerve impulses away from the cell body
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sympathetic nervous system
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part of the autonomic nervous system that prepares the body for action
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parasympathetic
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part of the autonomic nervous system that prepares the body for rest
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dorsal root ganglion
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a mass of nerve cell bodies found together outside the CNS
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neurilemma
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the membrane on the outside of the myelin sheath in the nerve cells
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